祁连山,古时属雍州,因匈奴人称天为“祁连”,故祁连山为“天山”之意。公元前221年以前,祁连山为大、小月氏国驻牧,后被匈奴人所占领。公元前121年,汉朝遣大将军霍去病远征河西,“将万骑,出陇西”,“踪居延,至祁连”,统一河西。匈奴人不禁哀叹:“失我祁连山,使我六畜不蕃息;夺 Qilian Mountains, the ancient time Yongzhou, because Huns called the sky as “Qilian”, so Qilian Mountains “Tianshan” meaning. Before 221 BC, the Qilian Mountains were large and Xiaoyue’s country was in the herdsman territory, then occupied by the Huns. In 121 BC, the Han dynasty sent the generals Huo Qu disease expedition to Hexi, “will Wanqi, out of Longxi,” “Stay in Juyan to Qilian,” a unified Hexi. Hsiungnu can not help but lament: "I miss the Qilian Mountains, so I do not recuperate livestock;